Hail History

Hail history for Grayson County, Texas

Every NOAA hail report filed in Grayson County since 1955, with preliminary National Weather Service reports to November 3, 2026.

Readout · Grayson County

Last hail
May 10, 2026
2.00 in, hen egg size
Hail days, last 5 years
34
since Nov 3, 2021 · 121 reports
Largest ever
4.50 in
softball · Apr 21, 1996

486 reports on 230 days since 1955 · #20 of 255 Texas counties

Hail map · Grayson County

Sherman Denison Whitesboro Van Alstyne Tom Bean Pottsboro Gunter Sherwood Shores Howe Tioga 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
300 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Grayson County is from May 10, 2026. A local roofer can check and document it at no cost.

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What the record says about Grayson County

The latest hail report in Grayson County is from May 10, 2026, 2.00 in (hen egg size). Since November 3, 2021 there have been 34 separate hail days; the biggest stones in that time were 3.50 in on April 26, 2026.

Over the 20 years 2006–2025, Grayson County logged 268 reports on 97 hail days, about 13.4 reports a year. That is 3.8 times the median Texas county (3.5 a year) and ranks #20 of 255 Texas counties for all-time reports. Grayson County holds 1% of all 55,619 hail reports in Texas.

11% of reports with a size were 2 inches (hen egg) or larger, against 12% for the median Texas county. The largest hail on record here is 4.50 in (softball) on April 21, 1996 near Pottsboro.

Reports were up 108% in 2016–2025 (181) compared with 2006–2015 (87). The busiest year was 2025, with 36 reports on 9 days. Hail here peaks in April (30% of reports); 66% fall between April and June.

Reports a year 2006–2025 average

  • Grayson County 13.4
  • Median Texas county 3.5

Hail days 2006–2025

  • Grayson County 97
  • Median Texas county 42

Share 2 in or larger of sized reports

  • Grayson County 11%
  • Median Texas county 12%

Hail over time

010203040 1955: 2 reports, largest 1.00 in 1956: 2 reports, largest 1.00 in 1957: 2 reports, largest 0.75 in 1958: 1 reports, largest 1.50 in 1959: 3 reports, largest 1.50 in 1960 1962: 2 reports, largest 1.50 in 1968: 4 reports, largest 2.75 in 1970 1971: 2 reports, largest 2.00 in 1974: 2 reports, largest 2.00 in 1975: 2 reports, largest 1.75 in 1979: 3 reports, largest 1.75 in 1980: 1 reports, largest 1.75 in 1980 1981: 1 reports, largest 0.75 in 1982: 7 reports, largest 4.00 in 1983: 6 reports, largest 2.75 in 1984: 5 reports, largest 1.75 in 1985: 1 reports, largest 1.75 in 1986: 3 reports, largest 1.50 in 1987: 1 reports, largest 0.75 in 1988: 3 reports, largest 3.50 in 1989: 6 reports, largest 4.50 in 1990: 13 reports, largest 2.75 in 1990 1991: 7 reports, largest 3.00 in 1992: 9 reports, largest 1.75 in 1993: 1 reports, largest 0.75 in 1994: 5 reports, largest 1.75 in 1995: 23 reports, largest 2.75 in 1996: 12 reports, largest 4.50 in 1997: 11 reports, largest 3.00 in 1998: 6 reports, largest 1.75 in 1999: 17 reports, largest 4.00 in 2000: 4 reports, largest 1.75 in 2000 2001: 6 reports, largest 1.75 in 2002: 3 reports, largest 0.75 in 2003: 9 reports, largest 2.75 in 2004: 4 reports, largest 0.88 in 2005: 12 reports, largest 1.50 in 2006: 7 reports, largest 3.00 in 2007: 3 reports, largest 1.00 in 2008: 2 reports, largest 0.88 in 2009: 15 reports, largest 2.75 in 2010: 4 reports, largest 1.00 in 2010 2011: 22 reports, largest 2.75 in 2012: 14 reports, largest 2.00 in 2013: 9 reports, largest 1.25 in 2014: 6 reports, largest 0.75 in 2015: 5 reports, largest 1.25 in 2016: 8 reports, largest 2.00 in 2017: 4 reports, largest 2.00 in 2018: 25 reports, largest 1.75 in 2019: 14 reports, largest 1.50 in 2020: 6 reports, largest 1.75 in 2020 2021: 20 reports, largest 1.50 in 2022: 7 reports, largest 1.00 in 2023: 26 reports, largest 2.50 in 2024: 35 reports, largest 2.50 in 2025: 36 reports, largest 2.50 in 2026: 17 reports, largest 3.50 in
Reports per year, 1955–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
050100150 January: 3 reports (1%) Jan February: 19 reports (4%) Feb March: 69 reports (14%) Mar April: 144 reports (30%) Apr May: 121 reports (25%) May June: 57 reports (12%) Jun July: 10 reports (2%) Jul August: 13 reports (3%) Aug September: 20 reports (4%) Sep October: 14 reports (3%) Oct November: 10 reports (2%) Nov December: 6 reports (1%) Dec
All 486 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 134 17
2025 1226214 36
2024 11285 35
2023 121121 26
2022 3112 7
2021 3314 20
2020 114 6
2019 4122131 14
2018 1231 25
2017 22 4

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 10, 2026 3 2.00 in —
May 9, 2026 1 1.00 in —
Apr 26, 2026 12 3.50 in —
Apr 15, 2026 1 1.00 in —
Sep 23, 2025 4 2.00 in —
Sep 21, 2025 10 2.50 in —
Jun 8, 2025 1 1.25 in —
Jun 7, 2025 1 1.00 in —
May 30, 2025 2 1.75 in —
May 19, 2025 4 1.00 in —
Apr 3, 2025 2 0.88 in —
Mar 25, 2025 10 2.00 in —
Mar 4, 2025 2 1.00 in —
Jun 26, 2024 5 2.00 in —
May 28, 2024 1 1.00 in —
May 25, 2024 3 1.50 in —
May 23, 2024 9 2.00 in —
May 22, 2024 2 1.00 in —
May 21, 2024 2 0.88 in —
May 9, 2024 11 2.50 in —
Apr 8, 2024 1 1.00 in —
Mar 14, 2024 1 0.75 in —
Sep 21, 2023 1 1.00 in —
Jun 23, 2023 3 2.50 in —
Jun 16, 2023 3 1.75 in —
Jun 15, 2023 6 1.75 in —
Apr 2, 2023 1 1.00 in —
Mar 24, 2023 3 1.25 in —
Mar 9, 2023 2 1.00 in —
Mar 2, 2023 7 1.75 in —
Nov 4, 2022 2 1.00 in —
Jun 19, 2022 1 0.75 in —
Apr 13, 2022 1 1.00 in —
Mar 14, 2022 3 1.00 in —

Largest hail on record

Largest hail reports in Grayson County
Date Size Location Damage Time · source
Apr 21, 1996 4.50 insoftball Pottsboro — 21:13 local · NCEI
Apr 21, 1996 4.50 insoftball 2 N Dixie — 20:30 local · NCEI
May 16, 1989 4.50 insoftball — — 03:20 local · NCEI
May 11, 1999 4.00 ingrapefruit Gunter $50K 20:15 local · NCEI
Apr 21, 1996 4.00 ingrapefruit Whitesboro — 20:35 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Grayson County
Date Size Location Damage Time · source
May 10, 2026 2.00 inhen egg 2.4 ENE Southmayd $10K 02:10 local · NCEI
May 10, 2026 2.00 inhen egg 3.5 S Sadler $10K 01:48 local · NCEI
May 10, 2026 1.00 inquarter 1.8 NW Ambrose — 00:21 local · NCEI
May 9, 2026 1.00 inquarter 2.21 NE Pottsboro Loes Arpt — 23:35 local · NCEI
Apr 26, 2026 1.75 ingolf ball 0.9 SE Whiteright $20K 05:30 local · NCEI
Apr 26, 2026 2.00 inhen egg 0.9 SE Tom Bean $15K 05:23 local · NCEI
Apr 26, 2026 1.50 inping pong ball Tom Bean — 05:21 local · NCEI
Apr 26, 2026 1.75 ingolf ball Tom Bean $40K 05:20 local · NCEI
Apr 26, 2026 3.50 inteacup 1.15 E Whiterock $25K 05:18 local · NCEI
Apr 26, 2026 1.00 inquarter 0.9 SW Sherman Muni Arpt — 04:58 local · NCEI
Apr 26, 2026 1.00 inquarter 2.3 W Sherman Muni Arpt — 04:55 local · NCEI
Apr 26, 2026 1.00 inquarter 0.9 NW Sherman Muni Arpt — 04:54 local · NCEI

Cities and towns in Grayson County

PlaceReportsLargest
Sherman1264.50 in
Denison432.00 in
Whitesboro364.00 in
Van Alstyne251.75 in
Tom Bean243.00 in
Pottsboro214.50 in
Gunter204.00 in
Sherwood Shores202.75 in
Howe162.50 in
Tioga151.75 in
Sadler141.75 in
Collinsville131.75 in
Bells113.50 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Whitewright98Apr 26, 2026
Preston88May 9, 2026
Dorchester76May 25, 2024
Southmayd66May 28, 2024
Knollwood11May 30, 2025

Questions about hail in Grayson County

How often does it hail in Grayson County, Texas?

486 hail reports have been logged in Grayson County since 1955. Over the 20 years 2006–2025 that averages 13.4 reports a year. That ranks #20 of 255 Texas counties by number of reports.

When is hail season in Grayson County?

Most reports come in April, May, March. April alone accounts for 30% of all reports.

What is the largest hail recorded in Grayson County?

4.50 in (softball size) on April 21, 1996 near Pottsboro. 10% of reports here were 2 inches or larger.

When did it last hail in Grayson County?

The most recent report in this data is from May 10, 2026 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Grayson County had in the last five years?

34 separate days with hail reports since November 3, 2021, adding up to 121 reports. The most recent was May 10, 2026.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.